"Tue, 13 Aug 2024 13:37:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
13:37:15
General datetime
2024-08-13 13:37:15Z
For Database
2024-08-13 13:37:15
For HTTP1.1
Tue, 13 Aug 2024 13:37:15 GMT